<template>
  <view>
   <view class="search-box">
     <my-search @click="gotoSearch"></my-search>
   </view>
     <!-- 轮播图区域 -->
     <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
       <!-- 循环渲染轮播图的 item 项 -->
       <swiper-item v-for="(item, i) in swiperList" :key="i">
         <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
           <!-- 动态绑定图片的 src 属性 -->
           <image :src="item.image_src"></image>
         </navigator>
       </swiper-item>
     </swiper>
   <!-- 分类导航区域 -->
   <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
   </view>
   
   <view class="floor-list">
     <!-- 楼层 item 项 -->
     <view class="floor-item" v-for="(item, i) in floorList" :key="i">
       <!-- 楼层标题 -->
       <image :src="item.floor_title.image_src" class="floor-title"></image>
       <!-- 楼层图片区域 -->
       <view class="floor-img-box">
         <!-- 左侧大图片的盒子 -->
         <navigator class="left-img-box" :url="item.product_list[0].url">
           <image :src="item.product_list[0].image_src" 
           :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
         </navigator>
         <!-- 右侧 4 个小图片的盒子 -->
         <view class="right-img-box">
           <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0"
            :url="item2.url"> 
             <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
           </navigator>
         </view>
       </view>
     </view>
   </view>
   
   </view>
</template>

<script>
    import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
      mixins:[badgeMix],
    data() {
      return {
        swiperList:[],
        navList:[],
        floorList:[]
      };
    },
     onLoad(){
       this.getSwiperList()
       this.getNavList()
       this.getFloorList()
     },
     methods:{
     async getSwiperList(){
      const {data:res}  = await uni.$http.get('/api/public/v1/home/swiperdata')
      //请求失败
        if(res.meta.status !== 200) return uni.$showMsg()
        //请求成功
        this.swiperList = res.message
       },
    async getNavList(){
      const {data:res} =  await uni.$http.get('/api/public/v1/home/catitems')
      if(res.meta.status !== 200) return uni.$showMsg()
      this.navList = res.message
      },
      navClickHandler(item){
        if(item.name === "分类"){
          uni.switchTab({
            url:'/pages/cate/cate'
          })
        }
      },
     async getFloorList(){
       const {data:res} =  await uni.$http.get('/api/public/v1/home/floordata')
         if(res.meta.status !== 200) return uni.$showMsg()
         
          res.message.forEach(floor =>{
            floor.product_list.forEach(prod =>{
              prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
            })
          })
          this.floorList = res.message
      },
      gotoSearch() {
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      }
     }
  }
</script>

<style lang="scss">
  .search-box {
    // 设置定位效果为“吸顶”
    position: sticky;
    // 吸顶的“位置”
    top: 0;
    // 提高层级，防止被轮播图覆盖
    z-index: 999;
  }
swiper {
  height: 330rpx;
    .swiper-item,image {
     width: 100%;
     height: 100%;
   }
}
.nav-list {
  display: flex;
  justify-content: space-around;
  margin: 15px 0;

  .nav-img {
    width: 128rpx;
    height: 140rpx;
  }
}

.floor-title {
  height: 60rpx;
  width: 100%;
  display: flex;
}
.right-img-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.floor-img-box {
  display: flex;
  padding-left: 10rpx;
}
</style>
